Home / 5,305.55-7,321.73-3,209.67

Finding the Fourth Proportional to 5,305.55, 7,321.73 and 3,209.67

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Solution

The fourth proportional to 5,305.55, 7,321.73 and 3,209.67 is: 4,429.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,305.55 : 7,321.73 = 3,209.67 : x
  2. Step 2: Convert to fraction form
    5,305.55/7,321.73 = 3,209.67/x
  3. Step 3: Cross multiply
    5,305.55x = 7,321.73 × 3,209.67
  4. Step 4: Simplify right side
    5,305.55x = 23,500,321.08
  5. Step 5: Solve for x
    x = 23,500,321.08/5,305.55
  6. Step 6: Final answer
    x = 4,429.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.